<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=509055
-->
<head>
  <title>Test for Bug 509055</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=509055">Mozilla Bug 509055</a>
<p id="display"></p>
<div id="status"></div>
<div id="content">
</div>
<pre id="test">
<script type="application/javascript;version=1.7">

/** Test for Bug 509055 **/

SimpleTest.waitForExplicitFinish();

var gGen;

function shortWait() {
  setTimeout(function() { gGen.next(); }, 0, false);
}

function onChildHashchange(e) {
  // gGen might be undefined when we refresh the page, so we have to check here
  dump("onChildHashchange() called.\n");
  if(gGen)
    gGen.next();
}

function onChildLoad(e) {
  if(gGen)
    gGen.next();
}

function runTest() {
  var popup = window.open("file_bug509055.html", "popup 0",
                           "height=200,width=200,location=yes," +
                           "menubar=yes,status=yes,toolbar=yes,dependent=yes");
  popup.hashchangeCallback = onChildHashchange;
  popup.onload = onChildLoad;
  dump('Waiting for initial load.\n');
  yield undefined;

  // Without this wait, the change to location.hash below doesn't create a
  // SHEntry or enable the back button.
  shortWait();
  dump('Got initial load.  Spinning event loop.\n');
  yield undefined;

  popup.location.hash = "#1";
  dump('Waiting for hashchange.\n');
  yield undefined;

  popup.history.back();
  dump('Waiting for second hashchange.\n');
  yield undefined; // wait for hashchange

  popup.document.title = "Changed";

  // Wait for listeners to be notified of the title change.
  shortWait();
  dump('Got second hashchange.  Spinning event loop.\n');
  yield undefined;

  var sh = SpecialPowers.wrap(popup)
                        .QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
                        .getInterface(SpecialPowers.Ci.nsIWebNavigation)
                        .sessionHistory;

  // Get the title of the inner popup's current SHEntry 
  var sheTitle = sh.getEntryAtIndex(sh.index, false).title;
  is(sheTitle, "Changed", "SHEntry's title should change when we change.");

  popup.close();

  SimpleTest.executeSoon(SimpleTest.finish);
  dump('Final yield.\n');
  yield undefined;
}

window.addEventListener('load', function() {
  gGen = runTest();
  gGen.next();
}, false);

</script>

</body>
</html>

